12122302232 has 8 divisors (see below), whose sum is σ = 22729316700. Its totient is φ = 6061151112.

The previous prime is 12122302223. The next prime is 12122302259. The reversal of 12122302232 is 23220322121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×12122302232² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 757643882 + ... + 757643897.

Almost surely, 2^12122302232 is an apocalyptic number.

It is an amenable number.

12122302232 is a deficient number, since it is larger than the sum of its proper divisors (10607014468).

12122302232 is a wasteful number, since it uses less digits than its factorization.

12122302232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1515287785 (or 1515287781 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12122302232 its reverse (23220322121), we get a palindrome (35342624353).

The spelling of 12122302232 in words is "twelve billion, one hundred twenty-two million, three hundred two thousand, two hundred thirty-two".